College basketball rankings: Duke takes a tumble in new AP Top 25 poll, Gonzaga moves up to No. 2 | CBS Sports Headlines College basketball rankings: Duke takes a tumble in new AP Top 25 poll, Gonzaga moves up to No. 2 The Blue Devils remain in the top 10 … Continue reading College basketball rankings: Duke takes a tumble in new AP Top 25 poll, Gonzaga moves up to No. 2